Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
In the photo you can see what I am after, its connected to the lawnmower battery in the photo. The feeder motor also runs off a 12v battery (battery info above), what I was really after was the possibility of using the solar power during the day to keep the light off, and also charge the...
Solar Panel information
STC @ 1000 W.m-2-AM 1.5-CELL T
Model Type SX5M
Max Sys. Oper. Volt 30
Min. Bypass Diode 1p N/A
Series Fuse 1 A
P max 4.50 W
Voc 20.5 V
Isc .30 A
Vpmax 16.5 V
Ipmax 0.27 A
T 47
Will Produce
Pmax 3.20 W
Ipmax 0.22 A
Battery...
Well, I was able to get a 12V relay at RS, thought I had it, I ran into a small problem. As long as the sun was hitting the solar panel it generated enough power to activate the coil on the relay. but when shade hit it, it deactivated. Any suggestions?
Sounds feasible, but I also need the solar panel to keep the battery charged, would a diode work to keep from back feeding the relay. Never mind I see it. Diode is to the battery. I am gona try it
I am very limited in my electronic ability, and need help with this idea. I want to power a 700ma led light with a 12 volt battery. I have a nice solar panel to charge the battery during the day. My question is can I use a relay in conjunction with a photo cell that is in the normally closed...
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